linux-kernel - Re: [stable] Linux 2.6.25.10 (resume)

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Message-ID: <48876201.10516.43E02072@pageexec.freemail.hu>
Date:	Wed, 23 Jul 2008 16:53:21 +0200
From:	pageexec@...email.hu
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	"Rodrigo Rubira Branco (BSDaemon)" <rbranco@...checkpoint.com>,
	Greg KH <gregkh@...e.de>, Alan Cox <alan@...hat.com>,
	linux-kernel@...r.kernel.org, stable@...nel.org, greg@...ah.com,
	"'Justin Forbes'" <jmforbes@...uxtx.org>,
	"'Zwane Mwaikambo'" <zwane@....linux.org.uk>,
	"'Theodore Ts'o'" <tytso@....edu>,
	"'Randy Dunlap'" <rdunlap@...otime.net>,
	"'Dave Jones'" <davej@...hat.com>,
	"'Chuck Wolber'" <chuckw@...ntumlinux.com>,
	"'Chris Wedgwood'" <reviews@...cw.f00f.org>,
	"'Michael Krufky'" <mkrufky@...uxtv.org>,
	"'Chuck Ebbert'" <cebbert@...hat.com>,
	"'Domenico Andreoli'" <cavokz@...il.com>,
	"'Willy Tarreau'" <w@....eu>, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	caglar@...dus.org.tr, casey@...aufler-ca.com,
	spender@...ecurity.net, rodrigo@...nelhacking.com
Subject: Re: [stable] Linux 2.6.25.10 (resume)

On 23 Jul 2008 at 11:31, Henrique de Moraes Holschuh wrote:

> On Wed, 23 Jul 2008, pageexec@...email.hu wrote:
> > it's apparently not true when foo = "kernel's security model", hence the
> > suggested change to reflect reality.
> 
> I heavily suggest using something else than "disclose".  
> 
> For the security community, "disclose" doesn't mean you have the source code
> for the buggy code and the source code for the fix.  It means you have the
> information that it is a "foo = kernel's security model" bug, and a
> description of the consequences of the bug for foo (the security model).
> 
> This is NOT what "disclose" means for the Linux kernel, right now.  Here,
> "disclose" means "you know there is a bug, you have the code, you have the
> bug fix".  But you don't know that "foo = kernel's security bug", or the
> consequences of the bug for the security model.

i think you misunderstood the whole thread here ;). we were explicitly
talking about bugs where the kernel devs *knew* they were fixing one
with an impact on security yet they chose not to say so.

determining whether a bug is a security one is a whole different kettle
of fish, that was not the topic here at all.

IOW, Documentation/SecurityBugs talks about bugs where the security impact
is known, not about bugs in general where such determination has yet to be
done.

> So just use another word, or properly qualify WHAT is going to be disclosed,
> (and in this case, WHAT is not going to be *usually* disclosed).


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